<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			.div1{
				width: 200px;
				height: 100px;
				background-color: red;
				border-radius: 200px  200px  0 0;
				position: relative;
			}
			.div2{
				width: 200px;
				height: 100px;
				background-color: brown;
				border-radius: 0   0  200px  200px;
				position: relative;
			}
			.suby1{
				z-index: 10;
				width: 100px;
				height: 100px;
				background-color: brown;
				border-radius:200px 200px  200px  200px;
				position: absolute;
				top: 50px;
			}
			.suby2{
				width: 100px;
				height: 100px;
				background-color: red;
				border-radius:200px 200px  200px  200px;
				position: absolute;
				top: -50px;
				right: 0px;
			}
			.y1{
				z-index: 2;
				width: 35px;
				height: 35px;
				background-color: red;
				border-radius:50% ;
				position: absolute;
				right: 35px;
				top: 35px;
				
			}
			.y2{
				z-index: 2;
				width: 35px;
				height: 35px;
				background-color: brown;
				border-radius:50%;
				position: absolute;
				right: 35px;
				top: 35px;
			}
			.taiji{
				z-index: 2;
				width: 200px;
				height: 100px;
				border-radius:200% ;
				position: absolute;
				box-shadow: #000000;
				
			}
		</style>
	</head>
	<body>
		<div class="taiji">
			
		</div>
		<div class="div1">
			<div class="suby1">
				<div class="y1">
					
				</div>
				
			</div>
		</div>
		<div class="div2">
			<div class="suby2">
				<div class="y2">
					
				</div>
				
			</div>
		</div>
	</body>
</html>
